2.2 Heading structureMediumIndustry consensus
Multiple <h1> tags
What it is
Several h1s.
Why it matters
Not fatal (HTML5 allows it) but can dilute the primary-topic signal.
How to fix it
Prefer one clear h1.
Impact
Low-medium. Consensus.
Evidence
Use headings to convey clear structure. Google Search Central, SEO Starter Guide